/*
 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#pragma once

#include "XMLHttpRequest.h"
#include <wtf/Forward.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>

namespace WebCore {

    class ScriptExecutionContext;
    class XMLHttpRequest;

    class XMLHttpRequestUpload final : public XMLHttpRequestEventTarget {
        WTF_MAKE_FAST_ALLOCATED;
    public:
        explicit XMLHttpRequestUpload(XMLHttpRequest*);

        void ref() { m_xmlHttpRequest->ref(); }
        void deref() { m_xmlHttpRequest->deref(); }
        XMLHttpRequest* xmlHttpRequest() const { return m_xmlHttpRequest; }

        EventTargetInterface eventTargetInterface() const override { return XMLHttpRequestUploadEventTargetInterfaceType; }
        ScriptExecutionContext* scriptExecutionContext() const override { return m_xmlHttpRequest->scriptExecutionContext(); }

        void dispatchThrottledProgressEvent(bool lengthComputable, unsigned long long loaded, unsigned long long total);
        void dispatchProgressEvent(const AtomicString &type);

    private:
        void refEventTarget() final { ref(); }
        void derefEventTarget() final { deref(); }

        XMLHttpRequest* m_xmlHttpRequest;
        bool m_lengthComputable;
        unsigned long long m_loaded;
        unsigned long long m_total;
    };
    
} // namespace WebCore
